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8714221 = 671131151
BaseRepresentation
bin100001001111…
…011111101101
3121101201122221
4201033133231
54212323341
6510435341
7134032615
oct41173755
917351587
108714221
114a1213a
122b02b51
131a61559
14122ba45
15b71ed1
hex84f7ed

8714221 has 8 divisors (see below), whose sum is σ = 8930304. Its totient is φ = 8500800.

The previous prime is 8714213. The next prime is 8714231. The reversal of 8714221 is 1224178.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8714221 - 23 = 8714213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8714231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (1116288).

Almost surely, 28714221 is an apocalyptic number.

It is an amenable number.

8714221 is a deficient number, since it is larger than the sum of its proper divisors (216083).

8714221 is a wasteful number, since it uses less digits than its factorization.

8714221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 896, while the sum is 25.

The square root of 8714221 is about 2951.9859417009. The cubic root of 8714221 is about 205.7830137375.

Adding to 8714221 its reverse (1224178), we get a palindrome (9938399).

The spelling of 8714221 in words is "eight million, seven hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 67 113 1151 7571 77117 130063 8714221